Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Connor O'Neill, DO

Individual provider Internal Medicine Physician · NPI 1952005514

Connor O'Neill, DO is an Internal Medicine Physician in Milwaukee, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2023.

Licensed in
WI
In the registry since
2023
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone: (414) 955-0350
Fax: (414) 955-0094
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 81889-021 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 81889-021 (WI)

Record details

NPI number1952005514
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 28, 2023
Last updated in NPPESJuly 30, 2026
Certification dateJuly 30, 2026

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